/*
* Copyright (c) 2006-2007 Erin Catto http://www.gphysics.com
*
* This software is provided 'as-is', without any express or implied
* warranty.  In no event will the authors be held liable for any damages
* arising from the use of this software.
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
*/
package box2D.dynamics.joints;
	

import box2D.common.math.B2Vec2;

/// Mouse joint definition. This requires a world target point,
/// tuning parameters, and the time step.
class B2MouseJointDef extends B2JointDef {
	
	public function new()
	{
		super();
		target = new B2Vec2();
		
		type = B2Joint.e_mouseJoint;
		maxForce = 0.0;
		frequencyHz = 5.0;
		dampingRatio = 0.7;
		timeStep = 1.0 / 60.0;
	}
	/// The initial world target point. This is assumed
	/// to coincide with the body anchor initially.
	public var target:B2Vec2 ;
	/// The maximum constraint force that can be exerted
	/// to move the candidate body. Usually you will express
	/// as some multiple of the weight (multiplier * mass * gravity).
	public var maxForce:Float;
	/// The response speed.
	public var frequencyHz:Float;
	/// The damping ratio. 0 = no damping, 1 = critical damping.
	public var dampingRatio:Float;
	/// The time step used in the simulation.
	public var timeStep:Float;
}